v2.4.0.8
Debt (Tables)
12 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]  
Consolidated Debt
 
 
 
 
Weighted-Average Interest Rate at December 31, 2013 (a)
 
 
December 31,
 
 
 
2012
 
2013
 
Revolving credit facility
 
$

 
$

 
—%
$250.0 million of 6.45% Notes due 2014
 
249,905

 
249,971

 
6.3%
$250.0 million of 5.65% Notes due 2016
 
251,609

 
251,183

 
5.7%
$250.0 million of 6.40% Notes due 2018
 
261,411

 
259,346

 
5.4%
$550.0 million of 6.55% Notes due 2019
 
575,065

 
571,515

 
5.7%
$550.0 million of 4.25% Notes due 2021
 
558,088

 
557,213

 
4.0%
$250.0 million of 6.40% Notes due 2037
 
248,981

 
248,998

 
6.4%
$250.0 million of 4.20% Notes due 2042
 
248,349

 
248,377

 
4.2%
$300.0 million of 5.15% Notes due 2043
 

 
298,684

 
5.2%
Total debt
 
$
2,393,408

 
$
2,685,287

 
5.2%
 
 
 
 
 
 
 
(a)
Weighted-average interest rate includes the amortization/accretion of discounts and premiums and the amortization/accretion of gains and losses realized on historical cash flow and fair value hedges on interest expense.